diff --git a/source/_daily_emails/2024-05-04.md b/source/_daily_emails/2024-05-04.md new file mode 100644 index 000000000..7385354ff --- /dev/null +++ b/source/_daily_emails/2024-05-04.md @@ -0,0 +1,38 @@ +--- +title: Strict typing in PHP +date: 2024-05-04 +permalink: archive/2024/05/04/strict-typing-in-php +tags: + - software-development + - php +cta: ~ +snippet: | + Do you enable strict types in your PHP code? +--- + +I prefer writing and working with strictly typed code. + +One of the major improvements in PHP has been the option to enable strict types. + +For example, this code will usually not error and give the result: + +```php +function add(int $a, int $b): void +{ + var_dump($a + $b); +} + +add(1, '1'); +``` + +However, I'd prefer if it failed as I'm passing the function an integer and a string, but specifying they should both be integers. + +Fixing this is simple, by adding this line to the top of the file: + +```php +declare(strict_types=1); +``` + +I add this to every PHP file by default. + +I want my code to be as strict and predictable as possible, and to error when I want it to and make any bugs more explicit and easier to find and fix.